Cord Storage Bag With End Retention for Knot-Free Access
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Solution Overview
Problem
Existing solutions for storing extension cords and ropes often result in knotting, require additional time and effort for winding, and may expose cords to damage or degradation.
Innovation Solution
A cord or rope storage bag with first and second cord end retention devices, such as dummy plugs, that prevent knotting by securing the cord ends within the bag, along with a closure mechanism like a zipper for protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual winding or rolling devices are used to store cords, then knot formation is prevented, but the device complexity increases and additional time is required for operation
Solution Approach 1:
The storage bag is divided into multiple compartments: a main storage compartment for the cord body and separate retention devices for each cord end. This segmentation allows independent management of cord ends and body, preventing knots without requiring complex winding mechanisms.
Solution Approach 2:
Dummy plugs serve as intermediary elements that attach to cord ends and extend into the storage bag. These intermediaries physically block cord ends from moving freely and forming knots, while maintaining electrical isolation and providing a simple attachment mechanism.
2Ease of operation
If cords are left exposed during storage, then accessibility is improved, but the cords are vulnerable to damage, dirt, and environmental degradation
Solution Approach 1:
The cord is nested within the storage bag, with cord ends retained by dummy plugs that extend into the bag interior. This nesting arrangement protects the cord from environmental factors while keeping the entire assembly compact and portable.
Solution Approach 2:
The storage bag uses a flexible fabric enclosure that protects the cord from dirt, moisture, and physical damage. The flexible material allows the bag to conform to the cord shape while providing continuous protection during storage and transport.
3Ease of operation
If the entire cord is unwound for testing or use, then full functionality is accessible, but the storage process becomes time-consuming
Solution Approach 1:
The cord ends are pre-attached to dummy plugs during the storage process, so that when retrieval is needed, the cord is already prepared for immediate use. This preliminary action eliminates the need to unwind or reconfigure the cord during actual use.
Solution Approach 2:
The storage system allows dynamic access to the cord - the entire cord can be quickly removed from the bag by detaching the dummy plugs, or the cord can be partially extracted while remaining protected in the bag. This dynamic flexibility reduces retrieval time while maintaining protection.
Data Source
AI summary
A cord or rope storage bag for preventing knots is disclosed herein. The cord or rope storage bag includes a bag body portion, the bag body portion defining an interior compartment configured to store a cord or rope therein; a first cord or rope end retention device, the first cord or rope end retention device configured to be coupled to a first end of the cord or rope; and a second cord or rope end retention device, the second cord or rope end retention device configured to be coupled to a second end of the cord or rope. An attachment of the first and second ends of the cord or rope to the respective first and second cord or rope end retention devices is configured to prevent a formation of knots in the cord or rope being stored in the interior compartment of the cord or rope storage bag.